class_docstr: Trial Component Source
  
  Attributes:
      source_arn (str): The ARN of the source.
code: def __init__(self, source_arn=None, **kwargs):
      super(TrialComponentSource, self).__init__(
          source_arn=source_arn, **kwargs
      )
  
imports: from __future__ import absolute_import
  import enum
  import numbers
  from sagemaker.apiutils import _base_types
label_desc: Use image node_id 1 to create a new TrialComponentSource object from inherited base classes: _base_types with example: obj = TrialComponentSource(source_arn)